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Finding the Third Proportional to 172,519,649 and 371,345,628

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Solution

The third proportional to 172,519,649 and 371,345,628 is: 799,315,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,519,649 : 371,345,628 = 371,345,628 : x
  2. Step 2: Convert to fraction form
    172,519,649/371,345,628 = 371,345,628/x
  3. Step 3: Cross multiply
    172,519,649x = 371,345,628 × 371,345,628
  4. Step 4: Simplify right side
    172,519,649x = 137,897,575,434,714,384
  5. Step 5: Solve for x
    x = 137,897,575,434,714,384/172,519,649
  6. Step 6: Final answer
    x = 799,315,186.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.